Executive Leadership
Our Aspirations for Excellence Start with Our Leadership
Our Aspirations for Excellence Start with Our Leadership


Chuck is the Founder, President and Chief Executive Officer of Mirati Therapeutics, and has been a Board Member since Nov 2012. He was Founder, President and Head of Research and Development at Mirati from 2021 to 2023 and was President, Founder and CEO from Nov 2012 to 2021.
Under his leadership, Mirati has transformed into a precision oncology company focused on advancing drug discovery and research and delivering novel therapeutics that target the genetic drivers of cancer.
Prior to joining Mirati, Chuck was Senior Vice President for Biotherapeutic Clinical Research within Pfizer’s Worldwide Research & Development division. He was at Pfizer from 2003 to 2012, serving in roles of increasing responsibility, including Vice President, Head of Oncology Development and Chief Medical Officer for Pfizer’s Biotherapeutics and Bioinnovation Center. He was responsible for the development of Pfizer’s oncology portfolio, including Inlyta,* Xalkori* and the approval of Sutent.* Prior to Pfizer, Chuck was at Schering-Plough where he was responsible for the Phase I-IV development of several oncology compounds, including Temodar.*
Chuck’s career has also included academic and hospital positions at Stanford and Emory universities. He currently serves on the board of directors at Poseida Therapeutics, PMV Pharma, Acrivon Therapeutics, Odyssey Therapeutics and Terremoto Biosciences. Chuck is also on the Scientific Advisory Board at ALX Oncology. Previously, he served as a member of the board of Array Biopharma from 2014 to 2019 when it was acquired by Pfizer, Inc., Immunomedics from 2019 to 2020 when it was acquired by Gilead, and BCTG Acquisition Corp from 2020 to 2021 when it merged with Tango Therapeutics.
Chuck received his M.D. and Ph.D. degrees from Washington University School of Medicine and completed his post-graduate training at Stanford University. Additionally, he has received research support from the National Institutes of Health and the American Cancer Society, published more than 50 peer-reviewed manuscripts and holds a number of patents and patent applications.
* Trademarks are property of their respective owners.


Jamie joined Mirati in 2013 as Chief Scientific Officer. In his role, Jamie is responsible for drug discovery, translational research, drug manufacturing and companion diagnostics research. At Mirati, Jamie has led activities related to the discovery and advancement of the company’s clinical and preclinical programs, including adagrasib (KRAS G12C selective inhibitor), MRTX1133 (KRAS G12D selective inhibitor) and sitravatinib (spectrum-selective receptor tyrosine kinase (RTK) inhibitor).
Prior to Mirati, Jamie was the head of Oncology Precision Medicine and a member of the executive leadership team in the Oncology Research Unit at Pfizer. He joined Pfizer in 2003, and his responsibilities included leading oncology nonclinical research and translational sciences for programs including Sutent* and Xalkori.*
Prior to Pfizer, Jamie held positions at SUGEN/Pharmacia as a Group Leader on the Preclinical Research and Exploratory Development team. He began his industry experience at Warner Lambert/Parke-Davis.
Jamie currently serves as a member of the board of directors at Boundless Bio and has authored or co-authored over 140 peer-reviewed research articles in scientific journals including Science, Nature, Cancer Cell, Cancer Discovery, New England Journal of Medicine and many others. In addition, he also participates on the editorial boards for Cancer Research and Molecular Cancer Therapeutics and is a member of the Scientific Advisory panel at Bridge Bio/QED.
Jamie received his Ph.D. at North Carolina State University and his B.S. in biology from Northern Illinois University.
* Trademarks are property of their respective owners.


Betsy has served as Chief Accounting Officer and Principal Accounting Officer since September 2023, bringing over 15 years of experience in managing accounting operations and infrastructure, financial reporting and public financing activities. She joined Mirati in June 2020 and has been vice president, finance since July 2021.
Prior to Mirati, Betsy held senior finance and accounting roles at Tocagen, Inc. where she was responsible for managing accounting, financial planning and analysis participating in public financing activities, and key member of the execution of the Company’s reverse merger and Regulus Therapeutics, Inc., where she managed accounting and financial reporting. Previously, Betsy worked in public accounting at Grant Thornton LLP.
Betsy received her Bachelor of Accounting from the University of San Diego. She is a Certified Public Accountant (CPA).


Ben joined Mirati in 2020 as Chief Commercial Officer, bringing with him almost 20 years of industry experience. Ben is responsible for building and leading commercial and medical affairs functions and capabilities as Mirati prepares for commercial readiness. Ben has a long track record of leading commercial teams, including global product launches for innovative oncology treatments. Prior to Mirati, Ben was Senior Vice President, Chief Commercial Officer at Halozyme Therapeutics, where he was responsible for the global commercial strategy for the company’s oncology portfolio.
Prior to Halozyme, Ben spent 17 years at Bristol Myers Squibb in various roles, including General Manager, UK & Ireland, where he oversaw an organization of more than 300 people, and Vice President Marketing, Immuno-Oncology, where he led the commercialization of Yervoy* and oversaw the launch preparedness of Opdivo* across more than eight indications. Ben currently serves as board director at Surface Oncology.
Ben received both his MBA and B.S. in Management from St. John’s University in Queens, New York.
* Trademarks are property of their respective owners.


Peter Lee has served as Chief Compliance Officer of Mirati Therapeutics since 2022, bringing over 16 years of pharmaceutical experience building comprehensive compliance programs for companies including Gilead Sciences, Hyperion Therapeutics and Pharmacyclics.
Prior to Mirati, Peter was Chief Compliance Officer at Provention Bio and Heron Therapeutics. His deep experience includes helping companies prepare for and launch drug and treatment options. Throughout his career, Peter has launched 8 drugs, fostering collaboration within his working teams including Commercial and Medical Affairs functions.
Peter received a Bachelor of Arts from the University of Michigan, He holds a JD from Quinnipiac Law School and received his LLM from Loyola University of Chicago.


John joined Mirati in 2023 as Chief Legal Officer and has more than 25 years of legal and business leadership across leading global biotech companies. Most recently, he was Executive Vice President and Chief Legal Officer at Olema Pharmaceuticals and helped build out the company and lead it through its successful Series C financing and 2020 Initial Public Offering.
Previously he was Executive Vice President and General Counsel for Portola Pharmaceuticals, Inc., where he was responsible for all legal, governance and compliance matters supporting the company’s products, its corporate strategy, and the build-out of its operations in the United States and Europe, which culminated in Portola’s acquisition by Alexion Pharmaceuticals, Inc. in July 2020. Prior to Portola, John was General Counsel of Alexion for more than five years during a period of tremendous growth and value creation. He was responsible for overseeing all global legal matters spanning 50 countries, as well as managing Alexion’s Global Government Affairs and Global Corporate Communications teams.
Earlier in his career, John was General Counsel at Elan Corporation plc and a senior lawyer at Amgen. John also worked as in the healthcare practice of a national law firm and was a healthcare fraud prosecutor in the U.S. Attorney’s Office and in the Virginia Attorney General’s Office. John earned his undergraduate degree from the University of Virginia and his law degree from the University of Georgia School of Law cum laude. From 2015 through 2022 John served on the Board of Trustees for the American Kidney Fund and chaired the Audit and Compliance Committee.


Aaron has served as Chief Financial Officer since September 2023, bringing over 20 years of experience in financial management, strategic planning and analysis. He joined Mirati in 2022 as senior vice president, financial planning & analysis. In his role, Aaron is responsible for financial planning, management and capital allocation for Mirati. He has extensive experience leading financial teams, strategic planning, executing successful capital raises and managing companies through multiple phases of growth, including commercialization and mergers and acquisitions.
Prior to Mirati, Aaron was Vice President, Finance at Arena Pharmaceuticals, Inc. (acquired by Pfizer), where he oversaw financial planning and analysis, corporate planning and strategic sourcing. Previously, he served as Head of U.S. and Global Commercial Finance at Alexion Pharmaceuticals, Inc. (acquired by Astra Zeneca), where he was responsible for global financial management of Alexion’s Commercial operations. Aaron has also held senior finance roles at Regeneron Pharmaceuticals, Inc.
Aaron received his Bachelor of Science in Finance from Case Western Reserve University.


Mike joined Mirati in 2022 as Chief People Officer (CPO), bringing over 20 years of broad, global people leadership experience working with Boards of Directors and C-level executives to improve organizational capabilities. As CPO, Mike is responsible for guiding and growing Mirati’s people and capabilities, as well as focusing on the company’s talent advancement and growth.
Most recently, Mike served as executive vice president and chief human resources officer at Arena Pharmaceuticals (acquired by Pfizer). Prior to this, he held executive leadership positions at Halozyme Therapeutics, Inc., CareFusion, NuVasive and Life Technologies. Additionally, Mike spent time in leadership roles at Hewlett Packard and EDS (acquired by Hewlett Packard).
Mike currently serves on the board of directors for Orthofix Medical and Silvaco. He received his B.S. in Finance from The Ohio State University.


Alan joined Mirati in 2022 as Chief Medical Officer. In his role, Alan provides leadership and direction over clinical development and operations, regulatory affairs, drug safety and medical strategy. Alan brings nearly 30 years of oncology and drug development experience across industry and academia.
Prior to Mirati, Alan was the president, head of global development, oncology, at Zai Lab. Prior to joining Zai Lab, he was the SVP and global head of late-stage oncology at Genentech, a member of the Roche Group. During his tenure at Genentech/Roche, he led the teams responsible for the global development and regulatory approval of several innovative medicines, most recently Tecentriq®. Prior to joining Genentech/Roche, Alan served as professor and chief of hematology/oncology at Oregon Health and Science University. Previously, he served on the faculties of the medical schools of Indiana University and Vanderbilt University.
Alan holds a Doctor of Medicine degree from Rush Medical College. He completed his training in internal medicine and a fellowship in medical oncology at Yale-New Haven Medical Center. He has over 300 publications, including articles, reviews, abstracts and book chapters.


Dr. Susan Welsh has served as Senior Vice President, Pharmacovigilance, and Chief Safety Officer, Mirati Therapeutics, since 2021. She is a physician executive with broad and deep experience in global development, medical affairs, regulatory affairs and pharmacovigilance gained during 35 years creating and leading high-functioning global departments. Previously, Susan has held senior roles at Bristol Myers Squibb, Sanofi, CSL Behring, Pfizer, Schering-Plough and GSK.
Throughout her career, Susan has managed robust drug development programs covering the US, Europe and Asia, building globally compliant systems, delivering drug safety plans to meet regulatory expectations worldwide, and defending drug development programs, approvals, labeling and risk management plans at regulatory agency meetings.
Susan is a United Kingdom trained physician and is certified (UK) in general practice and pharmaceutical medicine. She also holds a master’s degree in information management from Washington University in St. Louis, MO, and an MBA from the University of California at Berkeley.
In addition, Susan is an elected Fellow of the Faculty of Pharmaceutical Medicine, Royal Colleges of Physicians UK (FFPM), and a Member of the American College of Physicians. Prior to industry, Susan practiced as a medical doctor for 10 years in the UK, serving for 6 years as an officer in Britain’s Royal Air Force.
Meet our Board of Directors
Faheem joined the Mirati board of directors in 2019 as chairman of the board and lead independent director. Additionally, Faheem is currently chairman of Sente Labs, Inc. and Aspen Neuroscience, lead independent director on the Kura Oncology, Inc. board, and chairman, president & chief executive officer of Gossamer Bio, Inc. Gossamer Bio has a specific focus on the discovery and development of novel and differentiated therapeutic products to address high unmet needs amongst various targeted patient populations.
Prior to joining Gossamer Bio, Faheem served as president, chief executive officer and a director of Receptos, Inc. from 2010 to 2015, when Receptos was acquired by Celgene Corporation. Previously, Faheem was the president, chief executive officer and a director of Facet Biotech Corporation, a biology-driven antibody company with a focus in multiple sclerosis and oncology. He held that position from 2008 until the company’s acquisition by Abbott Laboratories in 2010.
Faheem’s career has also encompassed various leadership roles including president, chief executive officer and a director of PDL BioPharma, Inc. from 2008 until 2008. From 2004 to 2008, Faheem served as multiple positions at Biogen Idec Inc., a biotechnology company specializing in neurological disorders, autoimmune disorders, and cancer—the latest being executive vice president in charge of the oncology/rheumatology strategic business unit. Faheem also held roles with Bristol Myers Squibb, where he was president of the Oncology Therapeutics Network, and GlaxoSmithKline and its predecessor organizations, for 14 years. Prior board experiences include service on the board of directors of Vital Therapies, Inc., Tocagen, Ambit Biosciences Corporation, Seragon Pharmaceuticals, Somaxon Pharmaceuticals, Aragon Pharmaceuticals and Tercica, Inc.
Faheem received a B.H.K. and B.Ed. from the University of Windsor Ontario in Canada.
Chuck is the Founder, President and Chief Executive Officer of Mirati Therapeutics, and has been a Board Member since Nov 2012. He was Founder, President and Head of Research and Development at Mirati from 2021 to 2023 and was President, Founder and CEO from Nov 2012 to 2021.
Under his leadership, Mirati has transformed into a precision oncology company focused on advancing drug discovery and research and delivering novel therapeutics that target the genetic drivers of cancer.
Prior to joining Mirati, Chuck was Senior Vice President for Biotherapeutic Clinical Research within Pfizer’s Worldwide Research & Development division. He was at Pfizer from 2003 to 2012, serving in roles of increasing responsibility, including Vice President, Head of Oncology Development and Chief Medical Officer for Pfizer’s Biotherapeutics and Bioinnovation Center. He was responsible for the development of Pfizer’s oncology portfolio, including Inlyta,* Xalkori* and the approval of Sutent.* Prior to Pfizer, Chuck was at Schering-Plough where he was responsible for the Phase I-IV development of several oncology compounds, including Temodar.*
Chuck’s career has also included academic and hospital positions at Stanford and Emory universities. He currently serves on the board of directors at Poseida Therapeutics, PMV Pharma, Acrivon Therapeutics, Odyssey Therapeutics and Terremoto Biosciences. Chuck is also on the Scientific Advisory Board at ALX Oncology. Previously, he served as a member of the board of Array Biopharma from 2014 to 2019 when it was acquired by Pfizer, Inc., Immunomedics from 2019 to 2020 when it was acquired by Gilead, and BCTG Acquisition Corp from 2020 to 2021 when it merged with Tango Therapeutics.
Chuck received his M.D. and Ph.D. degrees from Washington University School of Medicine and completed his post-graduate training at Stanford University. Additionally, he has received research support from the National Institutes of Health and the American Cancer Society, published more than 50 peer-reviewed manuscripts and holds a number of patents and patent applications.
* Trademarks are property of their respective owners.
Bruce is an affiliate Professor in the Department of Biotechnology at the University of Washington, Seattle — a position he has held since 1986. He currently serves on the board of directors of Mirati and Enanta Pharmaceuticals, publicly held biopharmaceutical companies. Bruce also serves as Chairman of the board at ALSP Orchid Acquisition Corporation I, the TB Alliance, and Aurigene Discovery Technologies.
Prior to his current appointment, Bruce served as Executive Chairman of the board at Immune Design Corp. from 2009 to 2011, later serving as Chairman of the board until 2012 and as a member of the board until 2015. Between 1986 and 1994, Bruce served as Vice President of Research and Development as well as Chief Executive Officer at ZymoGenetics, Inc. In 1988, Novo Nordisk A/S acquired ZymoGenetics, leading to Bruce appointment as Corporate Executive Vice President and Chief Scientific Officer for Novo Nordisk in 1994. In 2000, Bruce led the negotiations that established ZymoGenetics as an independent company from Novo Nordisk. As CEO, he was instrumental in transforming ZymoGenetics from the research arm of a European biopharmaceutical company to a company that developed and commercialized Recothrom.* Bruce also held various positions of increasing responsibility at G.D. Searle & Co., Ltd. from 1982 to 1986 and was a lecturer in genetics at Trinity College, University of Dublin from 1975 to 1982.
He received a Ph.D. in Microbiology from Queen Elizabeth College, University of London, and a B.Sc. with Honors in Botany from the University of Nottingham, England.
* Trademarks are property of their respective owners.
Julie joined the Mirati Board of Directors in 2019. She also serves on the board of Sardona Therapeutics, Inc., MycRx, Syncona, Ltd., and KisoJi Biotechnology, Inc. Julie also serves as Chairman of the board at Actym Therapeutics, Inc. and Advisor at Rakovina Therapeutics, Inc. She is an experienced life science executive with extensive insight in bringing drugs into the clinic and through to commercialization. She has been a key contributor to the successful development of multiple FDA-approved products, including Sutent,* Palladia,* Vistide,* Viread* and Hepsera.*
Julie most recently served as President and Chief Executive Officer of Arch Oncology, a clinical-stage immuno-oncology company developing novel anti-CD47 mAbs. Previously, she served as President and Chief Executive Officer at several other oncology companies, including Revitope Oncology, Zenith Epigenetics and Pathway Therapeutics, a company advancing targeted kinase inhibitors for the treatment of cancer. In addition, she served as President and Executive Vice President, R&D, at Phenomix Corporation. Earlier in her career, Julie was Vice President of Preclinical and Clinical Research at SUGEN, a Pharmacia/Pfizer company. She began her career at Gilead Sciences, where she held a range of positions of increasing responsibility.
Julie earned her Ph.D. in microbiology and immunology from the University of Minnesota and Stanford University. She completed a postdoctoral fellowship at the University of California, San Francisco. She holds her M.S. in microbiology and B.S. in biology from the University of California, Davis.
* Trademarks are property of their respective owners.
Aaron is co-founder and chief executive officer of Boxer Capital, LLC. After joining Tavistock Group as portfolio manager, Aaron scaled Tavistock Group’s public healthcare investing activities and formed Boxer Capital. Aaron leads the firm’s research team, deal structuring and portfolio management.
Aaron is currently chairman of the board of CiVi Biopharma and is a member of the board of directors of iTeos Therapeutics (NASDAQ: ITOS), Mirati Therapeutics (NASDAQ: MRTX), Odonate Therapeutics (NASDAQ: ODT), Rain Therapeutics (NASDAQ: RAIN), and Flare Therapeutics.
Prior to joining Tavistock Group, Aaron worked in the Global Healthcare Investment Banking and Private Equity Group at UBS Warburg, LLC. During this period, Aaron led strategic transactions for public and private biotechnology and medical device companies throughout their growth, advising on financing and mergers and acquisitions. Having served in various roles with biotechnology and venture capital firms, Aaron has extensive expertise in investment analysis and overseeing in-licensing activities within the pharmaceutical sector.
Aaron holds a M.S. in Biotechnology from Columbia University and a B.A. in Business Administration from Emory University.
Carol joined Mirati’s Board of Directors in June 2023. A seasoned public director and experienced operator, Carol currently serves as a board director of PMV Pharma and Atara Biotherapeutics.
Starting in October 2014, Carol served as a partner with New Enterprise Associates (NEA), a venture capital firm, where she is now a venture advisor. Prior to joining NEA, she was a venture partner with Frazier Healthcare, a venture capital firm.
From 2008 to 2011, Carol was the President and Chief Executive Officer of Calistoga Pharmaceuticals, where she led the company through its acquisition by Gilead Sciences. She has also served as the President and Chief Executive Officer of Metastatix, Inc., and previously held roles with Eli Lilly and Company, Amgen, Agouron Pharmaceuticals, Pfizer, Biogen Inc., CancerVax, Inc. and Anadys Pharmaceuticals, Inc.
Carol attended Vanderbilt University and holds B.S. and Doctor of Pharmacy degrees from the University of Kentucky. She also serves as a Trustee on the Board of Trustees for the Salk Institute.
Craig currently serves as a director of Heron Therapeutics, Inc. and Odonate Therapeutics, Inc. Craig has served as a member of the Mirati Board of Directors since 2013.
Craig served as a director of La Jolla Pharmaceutical Company from 2013 to 2022, GenomeDx Biosciences, Inc. from 2015 to 2018, Adamis Pharmaceuticals Corporation from 2011 to 2014, and Ardea Biosciences, Inc. from 2008 until its acquisition by AstraZeneca PLC in 2012. Between 2004 and 2009, Craig served as Vice President and Chief Financial Officer of TorreyPines Therapeutics, Inc. Afterwards, he was Vice President of a wholly owned subsidiary of Raptor Pharmaceuticals Corp until 2010. From 1994 to 2004, he held various positions at MitoKor, Inc., most recently serving as Chief Financial Officer and Senior Vice President of Operations.
Craig received a B.B.A. degree in accounting from the University of Michigan-Dearborn and practiced as a Certified Public Accountant with Price Waterhouse, now PricewaterhouseCoopers.
Maya is currently President, U.S. Pharmaceuticals, for GSK, where she leads a $20+ billion pharmaceuticals and vaccines businesses in the U.S. and Puerto Rico.
Previously, Maya served as President of the Biopharma Latin America business for Merck KGaA, Darmstadt, Germany, where she used her proven expertise to drive pharmaceutical business in developed and emerging markets. At Merck KGaA, she oversaw business in 14 countries with more than 1,000 employees while guiding the region’s strategy for continued business growth by both delivering the company’s planned medical launches and further developing its core healthcare business. Maya also led the Regional Leadership Team, where she worked closely with General Managers and heads of regional functions and served as a member of the International Operations Leadership Team.
Maya had joined Merck KGaA in 2016 as Senior Vice President and Head of Global Oncology for the biopharma business. Aside from leading the Bavencio* worldwide launch, she supported Merck’s transformation to a recognized global oncology innovator. She played a critical role in establishing collaborations to strengthen Merck’s presence in the oncology field, including making significant contributions to the alliance with Pfizer.
Prior to joining Merck KGaA, Maya worked at Pfizer, Inc. as a senior executive for over a decade. At Pfizer, she exercised her vast cross-border, regional and global leadership experience to boost sales growth and market penetration in the areas of oncology, vaccines and specialty portfolios. In her last role, Maya oversaw the company’s oncology business in the U.S., managing a large-scale cross-functional team and leading product introductions and launches across multiple tumor types.
Maya holds her M.S. in business leadership and marketing from the IE Business Institute in Madrid, Spain, and a B.A. in Communications from Saint Louis University.
* Trademarks are property of their respective owners.
Shalini Sharp joined Mirati’s Board of Directors in March 2021. She has more than 25 years of financial and corporate strategy experience in the life sciences industry. Most recently, she was the Chief Financial Officer (CFO) at Ultragenyx where she was responsible for leading the company’s corporate finance, strategy, and information technology functions. Prior to Ultragenyx, Shalini was CFO at Agenus Inc., and before that, she worked in corporate strategy at Elan Pharmaceuticals, management consulting at McKinsey & Company, and investment banking at Goldman Sachs, in the pharmaceutical and medical device space. Shalini also serves as a board member of Neurocrine Biosciences, Organon, and TB Alliance. She previously served on the boards of Array BioPharma, Panacea Acquisition Corporation and Agenus. Shalini received her MBA from Harvard Business School and holds a B.A. from Harvard College.